21494830905

素因数分解:

$3^2\times 5^1\times {\mathrm{16921}}^1\times {\mathrm{28229}}^1$

素因数の和:45161

約数の個数: 24

約数和(自身を含む): 37261228680

約数和(自身を除く): 15766397775

約数列:

[1, 3, 5, 9, 15, 45, 16921, 28229, 50763, 84605, 84687, 141145, 152289, 253815, 254061, 423435, 761445, 1270305, 477662909, 1432988727, 2388314545, 4298966181, 7164943635, 21494830905]

約数ペア:

[(1, 21494830905), (3, 7164943635), (5, 4298966181), (9, 2388314545), (15, 1432988727), (45, 477662909), (16921, 1270305), (28229, 761445), (50763, 423435), (84605, 254061), (84687, 253815), (141145, 152289)]